# MAL-2025-2345: Malicious code in mstplotlib (PyPI)


- **Type:** Malicious package
- **Package:** `mstplotlib` (PyPI)
- **Published:** 20 Feb 2025

## What is MAL-2025-2345?

MAL-2025-2345 is a malicious package in mstplotlib, published on 20 Feb 2025. 

### Official description

This package is a typosquat of the matplotlib package and executes harmful code during installation. It appears to inject code into Python files (e.g., site.py) on the system.

## What should I do about MAL-2025-2345?

Remove the package from your dependencies and lockfiles, then rotate any secrets on machines where it was installed.

## Fix prompt for AI coding agents

```text
MAL-2025-2345 is a malicious package: mstplotlib (PyPI). Every version was published to cause harm.

Task:
1. Search this repository's dependency manifests and lockfiles for the package, including transitive dependencies.
2. If it is present, remove it, regenerate the lockfile with the project's package manager, and replace whatever it was used for.
3. List any CI runners, developer machines or containers that installed it, so their secrets can be rotated.
4. If the package is not used anywhere, say so and change nothing.

Reference: https://insights.sbomify.com/MAL-2025-2345/ (Markdown: https://insights.sbomify.com/MAL-2025-2345/index.md)
```

## Sources

- OSV: https://osv.dev/vulnerability/MAL-2025-2345

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From sbomify Insights: https://insights.sbomify.com/MAL-2025-2345/
Summaries are generated and may contain mistakes; the official description above is the record.